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Fix some issues and do some code cleanup

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This commit is contained in:
Justine Tunney 2022-05-23 10:15:53 -07:00
parent 1f229e4efc
commit 312ed5c67c
72 changed files with 880 additions and 982 deletions
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17
test/libc/rand/rand64_test.c
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@ -80,10 +80,10 @@ TEST(rand64, testLcg_doesntProduceIdenticalValues) {
}
TEST(rand64, testThreadSafety_doesntProduceIdenticalValues) {
char *tls[THREADS];
int i, j, rc, ws;
sigset_t ss, oldss;
char *tls[THREADS];
void *stacks[THREADS];
int i, j, rc, ws, tid[THREADS];
struct sigaction oldsa;
struct sigaction sa = {.sa_handler = OnChld, .sa_flags = SA_RESTART};
EXPECT_NE(-1, sigaction(SIGCHLD, &sa, &oldsa));
@ -92,19 +92,20 @@ TEST(rand64, testThreadSafety_doesntProduceIdenticalValues) {
sigaddset(&ss, SIGCHLD);
EXPECT_EQ(0, sigprocmask(SIG_BLOCK, &ss, &oldss));
ready = false;
memset(tid, -1, sizeof(tid));
for (i = 0; i < THREADS; ++i) {
tls[i] = __initialize_tls(calloc(1, 64));
stacks[i] = mmap(0, GetStackSize(), PROT_READ | PROT_WRITE,
MAP_STACK | MAP_ANONYMOUS, -1, 0);
ASSERT_NE(-1, clone(Thrasher, stacks[i], GetStackSize(),
CLONE_THREAD | CLONE_VM | CLONE_FS | CLONE_FILES |
CLONE_SIGHAND | CLONE_SETTLS | CLONE_CHILD_CLEARTID,
(void *)(intptr_t)i, 0, tls[i], 64, tid + i));
ASSERT_NE(
-1,
clone(Thrasher, stacks[i], GetStackSize(),
CLONE_THREAD | CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
CLONE_SETTLS | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID,
(void *)(intptr_t)i, 0, tls[i], 64, (int *)(tls[i] + 0x38)));
}
ready = true;
for (i = 0; i < THREADS; ++i) {
_spinlock(tid + i);
_spinlock((int *)(tls[i] + 0x38));
EXPECT_SYS(0, 0, munmap(stacks[i], GetStackSize()));
free(tls[i]);
}